MIKO-7M(A)

MIKO-7M(A)

The instrument is designed to measure DC resistance in inductive and non-inductive circuits of 1 µΩ – 2 kΩ including:

– windings of power and instrument transformers, electric motors, generators, linear compensators and, other high inductance equipment;

– contacts of circuit breakers, resistors, busbars, and other non-inductive circuits;

– compensatory, current limiting, and other HV circuit breaker resistors;

– cables.

 

 

 

 

 

 

 

MIKO-7M(A) features specialized measurement modes for different configurations of 5 objects, taking into account their specific features, while the user can choose a standard object.

Availability of this function enables systematization of measurement results, and ensures comfortable work with the measurement results.

The instrument has a high level of protection from test cable or mains cable breakdown, EMF of self-induction, and overheat of the test block.

Meets the safety requirements of EN 61010-1 and the electromagnetic compatibility requirements of EN 61326-1 to Class A equipment

Depending on the type of object, user can select special measurement modes. For example, for a resistive object:

– AUTO: measurement starts automatically when the measurement circuit is closed.

– SINGLE: the measurement starts by user command via the START button.

For an inductive object, the user can also select one of two modes:

– MANUAL: measurement process is started and stopped manually by pressing the START button.

– AUTO: measurement process is started by pressing the START button, and will stop automatically when specified criterion is reached

In the AUTO mode, a patented automatic measurement method is implemented, which guarantees the highest accuracy of the results in a complex electromagnetic environment.

In addition, the use of this mode for the measurement process enables the device to give the highest possible test current which ensures guaranteed saturation of the transformer magnetic system.

GENERAL FEATURES
Measurement range 1 μΩ – 2 kΩ
Resolution 0.1 μΩ
Accuracy ±(0.1%+0.5 μΩ)
Test current output 0.01 – 10 A
Measurement display resolution 5 digits
Power supply of MIKO-7MA (built-in battery) Lithium-ion battery
Battery charge time of MIKO-7MA 3 h
Battery runtime of MIKO-7MA (in continuous operation) 8 h
Built-in memory to 200 measurements
PC connection USB, Bluetooth
Display Monochrome graphic
128×64 pixels
Power consumption 120 W
Output 60 W
Power supply (mains voltage) ~ 90-253 V, 47-63 Hz
= 127-354 V
Dimensions 270 x 250 x 130 mm
Weight of MIKO-7M/MIKO-7MA 2.7 kg / 4.0 kg
Environmental protection IP 67 (instrument cover closed)
IP 40 (instrument cover open)
Operating temperature range from -20°C to +55°C
Warranty period 3 years
Recommended сalibration interval 3 years
Interface and user manual language English

 

Brand

SKB EP

CONTROL AND DIAGNOSTICS INSTRUMENTS FOR HIGH-VOLTAGE CIRCUIT BREAKERS AND TRANSFORMERS
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